1 First glimpse

## Observations: 61
## Variables: 171
## $ ID                            <int> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1...
## $ group                         <chr> "ICBT", "waitlist", "ICBT", "ICB...
## $ sex                           <chr> "boy", "girl", "boy", "girl", "b...
## $ age                           <int> 12, 14, 13, 13, 14, 13, 14, 12, ...
## $ Birthcountry                  <chr> "Sweden", "Asian", "Sweden", "Sw...
## $ Education_parent              <chr> "Other", "University", "Other", ...
## $ OCDonset                      <int> 11, 13, NA, 13, 12, 11, 9, 7, 14...
## $ yearswithOCD                  <int> 1, 1, NA, 0, 2, 2, 5, 5, 1, NA, ...
## $ contact                       <chr> "Self-referral", "Self-referral"...
## $ distance                      <dbl> 4.0, 12.3, 28.0, 10.6, 12.8, 5.0...
## $ medication                    <chr> "none", "none", "none", "none", ...
## $ medication_yesno              <int> 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1,...
## $ treatm_exp                    <chr> "CAMHS councelling", "CAMHS coun...
## $ OCD_treatm_exp                <chr> "none", "none", "CBT", "none", "...
## $ Depression                    <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ Dystymia                      <int> 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,...
## $ PanicDisorder                 <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ Agoraphobia                   <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ SeparationAnx                 <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ SocialPhob                    <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ SpecificPhob                  <int> 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,...
## $ PTSD                          <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ TourettesTics                 <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ ADHD                          <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,...
## $ ODD                           <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ EatingDis                     <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ GAD                           <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ numberdiagnos                 <int> 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0,...
## $ CYBOCS_pre_OBS                <int> 10, 12, 12, 12, 13, 11, 11, 9, 8...
## $ CYBOCS_pre_COMP               <int> 12, 15, 13, 12, 13, 10, 11, 9, 8...
## $ CYBOCS_pre_sum                <int> 22, 27, 25, 24, 26, 21, 22, 18, ...
## $ CYBOCS_pre_insight            <int> 2, 1, 1, 1, 3, 2, 2, 2, 0, 2, 1,...
## $ CYBOCS_pre_avoid              <int> 1, 1, 1, 2, 3, 2, 1, 1, 0, 2, 3,...
## $ checking                      <int> 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0,...
## $ obsessions                    <int> 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1,...
## $ contamination                 <int> 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1,...
## $ symmetry                      <int> 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,...
## $ CGI_S_pre                     <int> 3, 3, 3, 3, 3, 3, 3, 3, 2, 5, 5,...
## $ CBT_OCD                       <int> 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0,...
## $ ChOCI_R_C_1_PRE               <int> 1, 2, 0, 0, 2, 0, 0, 1, 0, 1, 2,...
## $ ChOCI_R_C_2_PRE               <int> 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0,...
## $ ChOCI_R_C_3_PRE               <int> 0, 0, 0, 2, 2, 2, 1, 0, 1, 2, 1,...
## $ ChOCI_R_C_4_PRE               <int> 2, 1, 0, 2, 2, 1, 0, 1, 1, 2, 0,...
## $ ChOCI_R_C_5_PRE               <int> 2, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0,...
## $ ChOCI_R_C_6_PRE               <int> 0, 0, 0, 0, 0, 1, 0, 2, 0, 1, 2,...
## $ ChOCI_R_C_7_PRE               <int> 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1,...
## $ ChOCI_R_C_8_PRE               <int> 2, 2, 0, 1, 0, 0, 1, 0, 1, 0, 1,...
## $ ChOCI_R_C_9_PRE               <int> 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0,...
## $ ChOCI_R_C_10_PRE              <int> 0, 0, 0, 0, 1, 1, 1, 0, 0, 2, 2,...
## $ ChOCI_R_C_12_PRE              <int> 2, 2, 0, 4, 2, 1, 2, 1, 1, 2, 3,...
## $ ChOCI_R_C_13_PRE              <int> 1, 0, 0, 2, 3, 2, 1, 0, 1, 3, 3,...
## $ ChOCI_R_C_14_PRE              <int> 3, 3, 0, 3, 3, 1, 3, 1, 2, 2, 3,...
## $ ChOCI_R_C_15_PRE              <int> 1, 4, 0, 2, 4, 2, 4, 1, 2, 3, 1,...
## $ ChOCI_R_C_16_PRE              <int> 1, 3, 0, 3, 3, 2, 1, 1, 2, 3, 3,...
## $ ChOCI_R_C_17_PRE              <int> 0, 0, 0, 2, 3, 1, 0, 0, 0, 2, 3,...
## $ ChOCI_R_C_18_PRE              <int> 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0,...
## $ ChOCI_R_C_19_PRE              <int> 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0,...
## $ ChOCI_R_C_20_PRE              <int> 0, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0,...
## $ ChOCI_R_C_21_PRE              <int> 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 2,...
## $ ChOCI_R_C_22_PRE              <int> 1, 1, 0, 2, 0, 1, 0, 0, 0, 0, 0,...
## $ ChOCI_R_C_23_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,...
## $ ChOCI_R_C_24_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ ChOCI_R_C_25_PRE              <int> 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0,...
## $ ChOCI_R_C_26_PRE              <int> 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0,...
## $ ChOCI_R_C_27_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ ChOCI_R_C_29_PRE              <int> 1, 1, 1, 4, 1, 1, 2, 2, 0, 1, 4,...
## $ ChOCI_R_C_30_PRE              <int> 0, 0, 2, 2, 2, 1, 0, 2, 0, 1, 3,...
## $ ChOCI_R_C_31_PRE              <int> 2, 3, 1, 4, 2, 3, 0, 2, 1, 1, 4,...
## $ ChOCI_R_C_32_PRE              <int> 1, 2, 3, 0, 4, 2, 1, 3, 2, 1, 0,...
## $ ChOCI_R_C_33_PRE              <int> 2, 2, 2, 2, 3, 3, 2, 2, 1, 2, 3,...
## $ ChOCI_R_C_34_PRE              <int> 0, 0, 0, 2, 1, 1, 0, 1, 0, 1, 3,...
## $ ChOCI_R_C_sumsym_PRE          <int> 11, 12, 0, 15, 11, 9, 6, 10, 6, ...
## $ ChOCI_R_C_sumimp_PRE          <int> 14, 20, 9, 30, 31, 20, 16, 16, 1...
## $ EWSASC_schoolandwork_PRE      <int> 1, 2, 3, 4, 5, 2, 2, 2, 2, 4, 8,...
## $ EWSASC_everydaysituations_PRE <int> 4, 3, 1, 8, 0, 2, 2, 2, 4, 6, 6,...
## $ EWSASC_social_PRE             <int> 1, 0, 0, 2, 2, 2, 0, 4, 1, 0, 5,...
## $ EWSASC_leisuretime_PRE        <int> 3, 0, 0, 2, 2, 1, 0, 4, 1, 0, 5,...
## $ EWSASC_family_PRE             <int> 1, 1, 0, 1, 3, 2, 0, 6, 1, 0, 4,...
## $ EWSASC_sum_PRE                <int> 10, 6, 4, 17, 12, 9, 4, 18, 9, 1...
## $ SCAS_S_C_1_PRE                <int> 1, 2, 0, 3, 2, 0, 0, 1, 0, 1, 1,...
## $ SCAS_S_C_2_PRE                <int> 2, 2, 0, 3, 1, 1, 0, 1, 0, 0, 1,...
## $ SCAS_S_C_3_PRE                <int> 0, 2, 0, 2, 2, 1, 1, 1, 2, 1, 1,...
## $ SCAS_S_C_4_PRE                <int> 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1,...
## $ SCAS_S_C_5_PRE                <int> 2, 1, 0, 2, 0, 0, 1, 1, 0, 1, 0,...
## $ SCAS_S_C_6_PRE                <int> 0, 1, 1, 1, 1, 1, 1, 2, 1, 3, 0,...
## $ SCAS_S_C_7_PRE                <int> 0, 1, 1, 1, 1, 0, 0, 0, 2, 0, 0,...
## $ SCAS_S_C_8_PRE                <int> 0, 2, 2, 1, 0, 1, 0, 2, 1, 0, 2,...
## $ SCAS_S_C_9_PRE                <int> 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,...
## $ SCAS_S_C_10_PRE               <int> 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,...
## $ SCAS_S_C_11_PRE               <int> 1, 2, 0, 2, 0, 1, 1, 0, 0, 1, 0,...
## $ SCAS_S_C_12_PRE               <int> 2, 1, 0, 2, 0, 2, 1, 1, 2, 2, 0,...
## $ SCAS_S_C_sum_PRE              <int> 8, 14, 4, 19, 7, 8, 5, 10, 8, 9,...
## $ CDI_S_1_PRE                   <int> 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,...
## $ CDI_S_2_PRE                   <int> 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1,...
## $ CDI_S_3_PRE                   <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,...
## $ CDI_S_4_PRE                   <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ CDI_S_5_PRE                   <int> 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,...
## $ CDI_S_6_PRE                   <int> 1, 1, 0, 2, 0, 1, 0, 1, 1, 1, 2,...
## $ CDI_S_7_PRE                   <int> 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1,...
## $ CDI_S_8_PRE                   <int> 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0,...
## $ CDI_S_9_PRE                   <int> 0, 2, 0, 0, 0, 0, 1, 1, 0, 1, 1,...
## $ CDI_S_10_PRE                  <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ CDI_S_sum_PRE                 <int> 2, 5, 1, 6, 0, 2, 1, 2, 3, 2, 6,...
## $ ChOCI_R_P_1_PRE               <int> 2, 2, 0, 0, 2, 0, 0, 1, 0, 2, 2,...
## $ ChOCI_R_P_2_PRE               <int> 2, 2, 0, 0, 0, 1, 1, 1, 1, 0, 1,...
## $ ChOCI_R_P_3_PRE               <int> 1, 1, 0, 1, 2, 2, 1, 0, 2, 2, 1,...
## $ ChOCI_R_P_4_PRE               <int> 1, 2, 0, 0, 1, 1, 0, 2, 1, 1, 1,...
## $ ChOCI_R_P_5_PRE               <int> 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0,...
## $ ChOCI_R_P_6_PRE               <int> 0, 2, 0, 1, 0, 0, 0, 1, 0, 2, 2,...
## $ ChOCI_R_P_7_PRE               <int> 2, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0,...
## $ ChOCI_R_P_8_PRE               <int> 1, 1, 0, 0, 0, 0, 2, 0, 0, 0, 1,...
## $ ChOCI_R_P_9_PRE               <int> 1, 1, 0, 0, 0, 1, 2, 0, 0, 0, 0,...
## $ ChOCI_R_P_10_PRE              <int> 1, 2, 0, 0, 1, 0, 1, 0, 0, 1, 2,...
## $ ChOCI_R_P_12_PRE              <int> 2, 2, 2, 3, 2, 1, 2, 2, 1, 3, 3,...
## $ ChOCI_R_P_13_PRE              <int> 0, 2, 2, 2, 4, 2, 2, 2, 0, 4, 4,...
## $ ChOCI_R_P_14_PRE              <int> 2, 3, 3, 3, 3, 2, 3, 3, 0, 3, 4,...
## $ ChOCI_R_P_15_PRE              <int> 2, 4, 4, 1, 4, 3, 4, 2, 2, 2, 3,...
## $ ChOCI_R_P_16_PRE              <int> 1, 4, 4, 3, 3, 2, 3, 1, 1, 3, 4,...
## $ ChOCI_R_P_17_PRE              <int> 0, 3, 1, 2, 2, 2, 1, 3, 0, 3, 3,...
## $ ChOCI_R_P_18_PRE              <int> 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0,...
## $ ChOCI_R_P_19_PRE              <int> 0, 2, 0, 0, 0, 0, 0, 1, 0, 2, 0,...
## $ ChOCI_R_P_20_PRE              <int> 0, 2, 0, 1, 0, 1, 2, 0, 0, 1, 0,...
## $ ChOCI_R_P_21_PRE              <int> 0, 1, 0, 1, 2, 1, 0, 1, 0, 0, 2,...
## $ ChOCI_R_P_22_PRE              <int> 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0,...
## $ ChOCI_R_P_23_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,...
## $ ChOCI_R_P_24_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ ChOCI_R_P_25_PRE              <int> 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0,...
## $ ChOCI_R_P_26_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ ChOCI_R_P_27_PRE              <int> 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,...
## $ ChOCI_R_P_29_PRE              <int> 1, 2, 2, 4, 1, 1, 2, 2, 0, 2, 4,...
## $ ChOCI_R_P_30_PRE              <int> 0, 3, 1, 2, 2, 1, 3, 2, 0, 2, 3,...
## $ ChOCI_R_P_31_PRE              <int> 2, 3, 1, 4, 3, 1, 3, 3, 0, 3, 4,...
## $ ChOCI_R_P_32_PRE              <int> 2, 3, 4, 1, 4, 2, 4, 2, 0, 2, 1,...
## $ ChOCI_R_P_33_PRE              <int> 2, 3, 4, 2, 3, 2, 4, 2, 0, 3, 3,...
## $ ChOCI_R_P_34_PRE              <int> 0, 3, 1, 2, 2, 2, 1, 3, 0, 3, 3,...
## $ ChOCI_R_P_sumsym_PRE          <int> 12, 23, 0, 8, 9, 11, 11, 11, 5, ...
## $ ChOCI_R_P_sumimp_PRE          <int> 14, 35, 29, 29, 33, 21, 32, 27, ...
## $ FAS_PR_1_PRE                  <int> 2, 4, 1, 2, 2, 2, 2, 3, 0, 4, 4,...
## $ FAS_PR_2_PRE                  <int> 1, 0, 0, 0, 0, 0, 3, 4, 0, 4, 3,...
## $ FAS_PR_3_PRE                  <int> 0, 3, 0, 0, 0, 0, 4, 4, 4, 4, 3,...
## $ FAS_PR_4_PRE                  <int> 1, 3, 0, 1, 1, 0, 3, 4, 0, 2, 0,...
## $ FAS_PR_5_PRE                  <int> 1, 0, 0, 0, 0, 0, 1, 1, 0, 3, 0,...
## $ FAS_PR_6_PRE                  <int> 0, 0, 2, 0, 1, 0, 1, 2, 0, 2, 3,...
## $ FAS_PR_7_PRE                  <int> 1, 2, 1, 2, 0, 0, 3, 2, 0, 2, 3,...
## $ FAS_PR_8_PRE                  <int> 0, 0, 0, 1, 0, 0, 3, 0, 0, 1, 3,...
## $ FAS_PR_9_PRE                  <int> 0, 0, 0, 1, 0, 0, 3, 2, 0, 4, 3,...
## $ FAS_PR_10_PRE                 <int> 1, 1, 0, 1, 0, 0, 2, 3, 0, 4, 2,...
## $ FAS_PR_11_PRE                 <int> 0, 0, 0, 1, 0, 0, 2, 3, 0, 3, 3,...
## $ FAS_PR_12_PRE                 <int> 1, 0, 0, 0, 0, 0, 2, 2, 0, 4, 4,...
## $ FAS_PR_sum_PRE                <int> 8, 13, 4, 9, 4, 2, 29, 30, 4, 37...
## $ EWSASP_schoolandwork_PRE      <int> 2, 6, 5, 4, 5, 2, 6, 5, 0, 8, 8,...
## $ EWSASP_everydaysituations_PRE <int> 3, 2, 2, 4, 4, 0, 6, 4, 0, 6, 8,...
## $ EWSASP_social_PRE             <int> 3, 8, 2, 2, 5, 3, 2, 7, 0, 6, 6,...
## $ EWSASP_leisuretime_PRE        <int> 0, 0, 0, 1, 7, 0, 2, 3, 0, 4, 6,...
## $ EWSASP_family_PRE             <int> 2, 4, 0, 3, 6, 1, 3, 7, 0, 6, 4,...
## $ EWSASP_sum_PRE                <int> 10, 20, 9, 14, 27, 6, 19, 26, 0,...
## $ SCAS_S_P_1_PRE                <int> 1, 1, 0, 3, 1, 0, 1, 2, 0, 1, 1,...
## $ SCAS_S_P_2_PRE                <int> 1, 3, 0, 1, 1, 1, 0, 1, 0, 1, 1,...
## $ SCAS_S_P_3_PRE                <int> 0, 3, 0, 1, 2, 1, 1, 2, 0, 1, 2,...
## $ SCAS_S_P_4_PRE                <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,...
## $ SCAS_S_P_5_PRE                <int> 0, 1, 0, 1, 0, 1, 3, 1, 0, 1, 1,...
## $ SCAS_S_P_6_PRE                <int> 0, 2, 1, 1, 1, 1, 1, 2, 0, 3, 2,...
## $ SCAS_S_P_7_PRE                <int> 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,...
## $ SCAS_S_P_8_PRE                <int> 0, 2, 0, 0, 0, 1, 0, 3, 0, 1, 2,...
## $ SCAS_S_P_9_PRE                <int> 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,...
## $ SCAS_S_P_10_PRE               <int> 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
## $ SCAS_S_P_11_PRE               <int> 1, 2, 0, 2, 0, 1, 0, 1, 0, 2, 0,...
## $ SCAS_S_P_12_PRE               <int> 1, 2, 0, 2, 0, 1, 3, 1, 1, 2, 0,...
## $ SCAS_S_P_sum_PRE              <int> 5, 17, 1, 11, 6, 7, 9, 14, 1, 12...
## $ responder_3m                  <int> 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0,...
## $ CYBOCS_3m                     <int> 12, 11, 7, 9, 4, 9, 21, 22, 0, 2...

1.1 Variable names

The main (raw) data file has a dimension of 61, 171 (rows*cols). The col names are:

##   [1] "ID"                            "group"                        
##   [3] "sex"                           "age"                          
##   [5] "Birthcountry"                  "Education_parent"             
##   [7] "OCDonset"                      "yearswithOCD"                 
##   [9] "contact"                       "distance"                     
##  [11] "medication"                    "medication_yesno"             
##  [13] "treatm_exp"                    "OCD_treatm_exp"               
##  [15] "Depression"                    "Dystymia"                     
##  [17] "PanicDisorder"                 "Agoraphobia"                  
##  [19] "SeparationAnx"                 "SocialPhob"                   
##  [21] "SpecificPhob"                  "PTSD"                         
##  [23] "TourettesTics"                 "ADHD"                         
##  [25] "ODD"                           "EatingDis"                    
##  [27] "GAD"                           "numberdiagnos"                
##  [29] "CYBOCS_pre_OBS"                "CYBOCS_pre_COMP"              
##  [31] "CYBOCS_pre_sum"                "CYBOCS_pre_insight"           
##  [33] "CYBOCS_pre_avoid"              "checking"                     
##  [35] "obsessions"                    "contamination"                
##  [37] "symmetry"                      "CGI_S_pre"                    
##  [39] "CBT_OCD"                       "ChOCI_R_C_1_PRE"              
##  [41] "ChOCI_R_C_2_PRE"               "ChOCI_R_C_3_PRE"              
##  [43] "ChOCI_R_C_4_PRE"               "ChOCI_R_C_5_PRE"              
##  [45] "ChOCI_R_C_6_PRE"               "ChOCI_R_C_7_PRE"              
##  [47] "ChOCI_R_C_8_PRE"               "ChOCI_R_C_9_PRE"              
##  [49] "ChOCI_R_C_10_PRE"              "ChOCI_R_C_12_PRE"             
##  [51] "ChOCI_R_C_13_PRE"              "ChOCI_R_C_14_PRE"             
##  [53] "ChOCI_R_C_15_PRE"              "ChOCI_R_C_16_PRE"             
##  [55] "ChOCI_R_C_17_PRE"              "ChOCI_R_C_18_PRE"             
##  [57] "ChOCI_R_C_19_PRE"              "ChOCI_R_C_20_PRE"             
##  [59] "ChOCI_R_C_21_PRE"              "ChOCI_R_C_22_PRE"             
##  [61] "ChOCI_R_C_23_PRE"              "ChOCI_R_C_24_PRE"             
##  [63] "ChOCI_R_C_25_PRE"              "ChOCI_R_C_26_PRE"             
##  [65] "ChOCI_R_C_27_PRE"              "ChOCI_R_C_29_PRE"             
##  [67] "ChOCI_R_C_30_PRE"              "ChOCI_R_C_31_PRE"             
##  [69] "ChOCI_R_C_32_PRE"              "ChOCI_R_C_33_PRE"             
##  [71] "ChOCI_R_C_34_PRE"              "ChOCI_R_C_sumsym_PRE"         
##  [73] "ChOCI_R_C_sumimp_PRE"          "EWSASC_schoolandwork_PRE"     
##  [75] "EWSASC_everydaysituations_PRE" "EWSASC_social_PRE"            
##  [77] "EWSASC_leisuretime_PRE"        "EWSASC_family_PRE"            
##  [79] "EWSASC_sum_PRE"                "SCAS_S_C_1_PRE"               
##  [81] "SCAS_S_C_2_PRE"                "SCAS_S_C_3_PRE"               
##  [83] "SCAS_S_C_4_PRE"                "SCAS_S_C_5_PRE"               
##  [85] "SCAS_S_C_6_PRE"                "SCAS_S_C_7_PRE"               
##  [87] "SCAS_S_C_8_PRE"                "SCAS_S_C_9_PRE"               
##  [89] "SCAS_S_C_10_PRE"               "SCAS_S_C_11_PRE"              
##  [91] "SCAS_S_C_12_PRE"               "SCAS_S_C_sum_PRE"             
##  [93] "CDI_S_1_PRE"                   "CDI_S_2_PRE"                  
##  [95] "CDI_S_3_PRE"                   "CDI_S_4_PRE"                  
##  [97] "CDI_S_5_PRE"                   "CDI_S_6_PRE"                  
##  [99] "CDI_S_7_PRE"                   "CDI_S_8_PRE"                  
## [101] "CDI_S_9_PRE"                   "CDI_S_10_PRE"                 
## [103] "CDI_S_sum_PRE"                 "ChOCI_R_P_1_PRE"              
## [105] "ChOCI_R_P_2_PRE"               "ChOCI_R_P_3_PRE"              
## [107] "ChOCI_R_P_4_PRE"               "ChOCI_R_P_5_PRE"              
## [109] "ChOCI_R_P_6_PRE"               "ChOCI_R_P_7_PRE"              
## [111] "ChOCI_R_P_8_PRE"               "ChOCI_R_P_9_PRE"              
## [113] "ChOCI_R_P_10_PRE"              "ChOCI_R_P_12_PRE"             
## [115] "ChOCI_R_P_13_PRE"              "ChOCI_R_P_14_PRE"             
## [117] "ChOCI_R_P_15_PRE"              "ChOCI_R_P_16_PRE"             
## [119] "ChOCI_R_P_17_PRE"              "ChOCI_R_P_18_PRE"             
## [121] "ChOCI_R_P_19_PRE"              "ChOCI_R_P_20_PRE"             
## [123] "ChOCI_R_P_21_PRE"              "ChOCI_R_P_22_PRE"             
## [125] "ChOCI_R_P_23_PRE"              "ChOCI_R_P_24_PRE"             
## [127] "ChOCI_R_P_25_PRE"              "ChOCI_R_P_26_PRE"             
## [129] "ChOCI_R_P_27_PRE"              "ChOCI_R_P_29_PRE"             
## [131] "ChOCI_R_P_30_PRE"              "ChOCI_R_P_31_PRE"             
## [133] "ChOCI_R_P_32_PRE"              "ChOCI_R_P_33_PRE"             
## [135] "ChOCI_R_P_34_PRE"              "ChOCI_R_P_sumsym_PRE"         
## [137] "ChOCI_R_P_sumimp_PRE"          "FAS_PR_1_PRE"                 
## [139] "FAS_PR_2_PRE"                  "FAS_PR_3_PRE"                 
## [141] "FAS_PR_4_PRE"                  "FAS_PR_5_PRE"                 
## [143] "FAS_PR_6_PRE"                  "FAS_PR_7_PRE"                 
## [145] "FAS_PR_8_PRE"                  "FAS_PR_9_PRE"                 
## [147] "FAS_PR_10_PRE"                 "FAS_PR_11_PRE"                
## [149] "FAS_PR_12_PRE"                 "FAS_PR_sum_PRE"               
## [151] "EWSASP_schoolandwork_PRE"      "EWSASP_everydaysituations_PRE"
## [153] "EWSASP_social_PRE"             "EWSASP_leisuretime_PRE"       
## [155] "EWSASP_family_PRE"             "EWSASP_sum_PRE"               
## [157] "SCAS_S_P_1_PRE"                "SCAS_S_P_2_PRE"               
## [159] "SCAS_S_P_3_PRE"                "SCAS_S_P_4_PRE"               
## [161] "SCAS_S_P_5_PRE"                "SCAS_S_P_6_PRE"               
## [163] "SCAS_S_P_7_PRE"                "SCAS_S_P_8_PRE"               
## [165] "SCAS_S_P_9_PRE"                "SCAS_S_P_10_PRE"              
## [167] "SCAS_S_P_11_PRE"               "SCAS_S_P_12_PRE"              
## [169] "SCAS_S_P_sum_PRE"              "responder_3m"                 
## [171] "CYBOCS_3m"

2 Overviews

2.1 Summaries of quantitative variables

minimum q1 median mean q3 maximum na
ID 1 16.00 34 33.52000 50 67 0
age 12 13.00 14 14.44000 16 17 0
OCDonset 3 9.00 11 10.52000 12 15 11
yearswithOCD 0 2.00 4 4.06000 5 14 11
distance 1 11.00 18 57.57000 33 470 0
medication_yesno 0 0.00 0 0.24590 0 1 0
Depression 0 0.00 0 0.08197 0 1 0
Dystymia 0 0.00 0 0.03279 0 1 0
PanicDisorder 0 0.00 0 0.08197 0 1 0
Agoraphobia 0 0.00 0 0.00000 0 0 0
SeparationAnx 0 0.00 0 0.00000 0 0 0
SocialPhob 0 0.00 0 0.08197 0 1 0
SpecificPhob 0 0.00 0 0.11480 0 1 0
PTSD 0 0.00 0 0.01639 0 1 0
TourettesTics 0 0.00 0 0.06557 0 1 0
ADHD 0 0.00 0 0.09836 0 1 0
ODD 0 0.00 0 0.00000 0 0 0
EatingDis 0 0.00 0 0.00000 0 0 0
GAD 0 0.00 0 0.13110 0 1 0
numberdiagnos 0 0.00 0 0.65570 1 4 0
CYBOCS_pre_OBS 6 9.00 11 10.95000 12 17 0
CYBOCS_pre_COMP 7 10.00 12 11.64000 13 16 0
CYBOCS_pre_sum 16 19.00 22 22.59000 25 32 0
CYBOCS_pre_insight 0 1.00 2 1.69500 2 3 2
CYBOCS_pre_avoid 0 1.00 2 1.60000 2 3 6
checking 0 0.00 0 0.34430 1 1 0
obsessions 0 0.00 0 0.47540 1 1 0
contamination 0 0.00 1 0.63930 1 1 0
symmetry 0 0.00 1 0.67210 1 1 0
CGI_S_pre 2 3.00 3 3.47400 4 5 4
CBT_OCD 0 0.00 0 0.22950 0 1 0
ChOCI_R_C_1_PRE 0 0.00 1 1.03300 2 2 0
ChOCI_R_C_2_PRE 0 0.00 1 0.81970 1 2 0
ChOCI_R_C_3_PRE 0 1.00 1 1.16400 2 2 0
ChOCI_R_C_4_PRE 0 0.00 1 1.09800 2 2 0
ChOCI_R_C_5_PRE 0 0.00 0 0.60660 1 2 0
ChOCI_R_C_6_PRE 0 0.00 1 0.98360 2 2 0
ChOCI_R_C_7_PRE 0 0.00 0 0.54100 1 2 0
ChOCI_R_C_8_PRE 0 0.00 0 0.68850 1 2 0
ChOCI_R_C_9_PRE 0 0.00 0 0.60660 1 2 0
ChOCI_R_C_10_PRE 0 0.00 1 0.72130 1 2 0
ChOCI_R_C_12_PRE 0 2.00 2 2.08200 2 4 0
ChOCI_R_C_13_PRE 0 1.00 2 1.82000 3 4 0
ChOCI_R_C_14_PRE 0 2.00 3 2.55700 3 4 0
ChOCI_R_C_15_PRE 0 1.00 2 2.18000 3 4 0
ChOCI_R_C_16_PRE 0 2.00 3 2.47500 3 4 0
ChOCI_R_C_17_PRE 0 0.00 1 1.44300 3 4 0
ChOCI_R_C_18_PRE 0 0.00 0 0.42620 1 2 0
ChOCI_R_C_19_PRE 0 0.00 0 0.60660 1 2 0
ChOCI_R_C_20_PRE 0 0.00 0 0.52460 1 2 0
ChOCI_R_C_21_PRE 0 0.00 1 1.06600 2 2 0
ChOCI_R_C_22_PRE 0 0.00 0 0.45900 1 2 0
ChOCI_R_C_23_PRE 0 0.00 0 0.29510 1 1 0
ChOCI_R_C_24_PRE 0 0.00 0 0.26230 0 2 0
ChOCI_R_C_25_PRE 0 0.00 1 0.75410 1 2 0
ChOCI_R_C_26_PRE 0 0.00 0 0.32790 1 2 0
ChOCI_R_C_27_PRE 0 0.00 0 0.26230 0 2 0
ChOCI_R_C_29_PRE 0 1.00 2 1.98400 3 4 0
ChOCI_R_C_30_PRE 0 1.00 2 1.57400 2 4 0
ChOCI_R_C_31_PRE 0 2.00 3 2.54100 3 4 0
ChOCI_R_C_32_PRE 0 1.00 2 1.96700 3 4 0
ChOCI_R_C_33_PRE 0 2.00 3 2.50800 3 4 0
ChOCI_R_C_34_PRE 0 0.00 1 1.26200 2 4 0
ChOCI_R_C_sumsym_PRE 0 9.00 12 13.25000 18 29 0
ChOCI_R_C_sumimp_PRE 9 20.00 25 24.39000 29 40 0
EWSASC_schoolandwork_PRE 0 2.00 3 3.41000 5 8 0
EWSASC_everydaysituations_PRE 0 2.00 4 3.52500 6 8 0
EWSASC_social_PRE 0 0.00 2 2.57400 4 8 0
EWSASC_leisuretime_PRE 0 0.00 2 2.59000 4 8 0
EWSASC_family_PRE 0 1.00 2 2.65600 4 8 0
EWSASC_sum_PRE 1 7.00 13 14.75000 19 38 0
SCAS_S_C_1_PRE 0 0.00 1 1.03300 1 3 0
SCAS_S_C_2_PRE 0 0.00 1 0.85250 1 3 0
SCAS_S_C_3_PRE 0 1.00 2 1.57400 2 3 0
SCAS_S_C_4_PRE 0 0.00 0 0.54100 1 3 0
SCAS_S_C_5_PRE 0 0.00 1 1.01600 2 3 0
SCAS_S_C_6_PRE 0 1.00 2 1.59000 2 3 0
SCAS_S_C_7_PRE 0 0.00 1 0.78690 1 3 0
SCAS_S_C_8_PRE 0 1.00 1 1.55700 2 3 0
SCAS_S_C_9_PRE 0 0.00 0 0.55740 1 3 0
SCAS_S_C_10_PRE 0 0.00 0 0.63930 1 3 0
SCAS_S_C_11_PRE 0 0.00 1 1.16400 2 3 0
SCAS_S_C_12_PRE 0 0.00 1 1.26200 2 3 0
SCAS_S_C_sum_PRE 3 7.00 12 12.57000 17 28 0
CDI_S_1_PRE 0 0.00 0 0.32790 1 2 0
CDI_S_2_PRE 0 0.00 0 0.49180 1 2 0
CDI_S_3_PRE 0 0.00 0 0.39340 1 1 0
CDI_S_4_PRE 0 0.00 0 0.26230 1 1 0
CDI_S_5_PRE 0 0.00 0 0.19670 0 2 0
CDI_S_6_PRE 0 0.00 1 0.88520 1 2 0
CDI_S_7_PRE 0 0.00 1 0.62300 1 2 0
CDI_S_8_PRE 0 0.00 0 0.49180 1 2 0
CDI_S_9_PRE 0 0.00 0 0.50820 1 2 0
CDI_S_10_PRE 0 0.00 0 0.16390 0 2 0
CDI_S_sum_PRE 0 2.00 4 4.34400 7 13 0
ChOCI_R_P_1_PRE 0 0.00 1 1.09800 2 2 0
ChOCI_R_P_2_PRE 0 0.00 1 0.93440 1 2 0
ChOCI_R_P_3_PRE 0 1.00 1 1.11500 2 2 0
ChOCI_R_P_4_PRE 0 0.00 1 0.95080 1 2 0
ChOCI_R_P_5_PRE 0 0.00 0 0.44260 1 2 0
ChOCI_R_P_6_PRE 0 0.00 1 0.98360 2 2 0
ChOCI_R_P_7_PRE 0 0.00 0 0.39340 1 2 0
ChOCI_R_P_8_PRE 0 0.00 0 0.40980 1 2 0
ChOCI_R_P_9_PRE 0 0.00 0 0.50820 1 2 0
ChOCI_R_P_10_PRE 0 0.00 1 0.88520 1 2 0
ChOCI_R_P_12_PRE 1 2.00 2 2.03300 2 4 0
ChOCI_R_P_13_PRE 0 1.00 2 1.88500 3 4 0
ChOCI_R_P_14_PRE 0 2.00 3 2.63900 3 4 0
ChOCI_R_P_15_PRE 0 2.00 2 2.54100 3 4 0
ChOCI_R_P_16_PRE 1 2.00 2 2.44300 3 4 0
ChOCI_R_P_17_PRE 0 1.00 2 1.72100 3 3 0
ChOCI_R_P_18_PRE 0 0.00 0 0.55740 1 2 0
ChOCI_R_P_19_PRE 0 0.00 0 0.52460 1 2 0
ChOCI_R_P_20_PRE 0 0.00 0 0.55740 1 2 0
ChOCI_R_P_21_PRE 0 0.00 1 0.98360 1 2 0
ChOCI_R_P_22_PRE 0 0.00 0 0.36070 1 2 0
ChOCI_R_P_23_PRE 0 0.00 0 0.14750 0 1 0
ChOCI_R_P_24_PRE 0 0.00 0 0.13110 0 1 0
ChOCI_R_P_25_PRE 0 0.00 1 0.59020 1 2 0
ChOCI_R_P_26_PRE 0 0.00 0 0.14750 0 2 0
ChOCI_R_P_27_PRE 0 0.00 0 0.16390 0 2 0
ChOCI_R_P_29_PRE 0 1.00 2 1.88500 2 4 0
ChOCI_R_P_30_PRE 0 1.00 2 1.59000 2 4 0
ChOCI_R_P_31_PRE 0 2.00 2 2.24600 3 4 0
ChOCI_R_P_32_PRE 0 2.00 2 2.13100 3 4 0
ChOCI_R_P_33_PRE 0 2.00 3 2.54100 3 4 0
ChOCI_R_P_34_PRE 0 1.00 2 1.57400 2 3 0
ChOCI_R_P_sumsym_PRE 0 9.00 11 11.89000 15 26 0
ChOCI_R_P_sumimp_PRE 4 21.00 26 25.23000 31 40 0
FAS_PR_1_PRE 0 2.00 3 2.88500 4 4 0
FAS_PR_2_PRE 0 0.00 0 1.29500 3 4 0
FAS_PR_3_PRE 0 0.00 2 1.93400 4 4 0
FAS_PR_4_PRE 0 1.00 1 1.77000 3 4 0
FAS_PR_5_PRE 0 0.00 0 0.63930 1 4 0
FAS_PR_6_PRE 0 0.00 1 1.27900 2 4 0
FAS_PR_7_PRE 0 0.00 1 1.27900 2 4 0
FAS_PR_8_PRE 0 0.00 0 0.86890 2 4 0
FAS_PR_9_PRE 0 0.00 0 0.78690 1 4 0
FAS_PR_10_PRE 0 0.00 1 1.27900 2 4 0
FAS_PR_11_PRE 0 0.00 1 1.24600 2 4 0
FAS_PR_12_PRE 0 0.00 1 1.24600 2 4 0
FAS_PR_sum_PRE 2 7.00 13 16.51000 23 42 0
EWSASP_schoolandwork_PRE 0 2.00 4 3.98400 6 8 0
EWSASP_everydaysituations_PRE 0 1.00 4 3.54100 6 8 0
EWSASP_social_PRE 0 1.00 2 2.75400 5 8 0
EWSASP_leisuretime_PRE 0 0.00 1 1.83600 3 8 0
EWSASP_family_PRE 0 1.00 3 3.36100 5 8 0
EWSASP_sum_PRE 0 10.00 14 15.48000 22 36 0
SCAS_S_P_1_PRE 0 0.00 1 0.86890 1 3 0
SCAS_S_P_2_PRE 0 0.00 1 0.81970 1 3 0
SCAS_S_P_3_PRE 0 1.00 1 1.52500 2 3 0
SCAS_S_P_4_PRE 0 0.00 0 0.55740 1 3 0
SCAS_S_P_5_PRE 0 0.00 1 0.93440 1 3 0
SCAS_S_P_6_PRE 0 1.00 1 1.54100 2 3 0
SCAS_S_P_7_PRE 0 0.00 0 0.60660 1 3 0
SCAS_S_P_8_PRE 0 0.00 1 1.26200 2 3 0
SCAS_S_P_9_PRE 0 0.00 0 0.34430 1 2 0
SCAS_S_P_10_PRE 0 0.00 0 0.44260 1 3 0
SCAS_S_P_11_PRE 0 0.00 1 0.88520 2 3 0
SCAS_S_P_12_PRE 0 1.00 1 1.29500 2 3 0
SCAS_S_P_sum_PRE 1 7.00 10 11.08000 14 28 0
responder_3m 0 0.00 0 0.41070 1 1 5
CYBOCS_3m 0 9.75 14 13.48000 18 27 5

2.2 Histograms of quantitative variables **

2.3 Histogram of non-numeric variables

2.4 Check for (near) zero variance (nz/nzv) variables

Predictors without (much) variance do not add to the model. Better exclude them, at least know them.

  freqRatio percentUnique zeroVar nzv
group 1.179 3.279 FALSE FALSE
sex 1.346 3.279 FALSE FALSE
age 1.2 9.836 FALSE FALSE
Birthcountry 18.67 4.918 FALSE FALSE
Education_parent 2.214 11.48 FALSE FALSE
OCDonset 1.25 21.31 FALSE FALSE
yearswithOCD 1 19.67 FALSE FALSE
contact 11.2 3.279 FALSE FALSE
distance 1.25 72.13 FALSE FALSE
medication 4.182 8.197 FALSE FALSE
medication_yesno 3.067 3.279 FALSE FALSE
treatm_exp 1.333 6.557 FALSE FALSE
OCD_treatm_exp 3.286 4.918 FALSE FALSE
Depression 11.2 3.279 FALSE FALSE
Dystymia 29.5 3.279 FALSE TRUE
PanicDisorder 11.2 3.279 FALSE FALSE
Agoraphobia 0 1.639 TRUE TRUE
SeparationAnx 0 1.639 TRUE TRUE
SocialPhob 11.2 3.279 FALSE FALSE
SpecificPhob 7.714 3.279 FALSE FALSE
PTSD 60 3.279 FALSE TRUE
TourettesTics 14.25 3.279 FALSE FALSE
ADHD 9.167 3.279 FALSE FALSE
ODD 0 1.639 TRUE TRUE
EatingDis 0 1.639 TRUE TRUE
GAD 6.625 3.279 FALSE FALSE
numberdiagnos 2.059 8.197 FALSE FALSE
CYBOCS_pre_OBS 1.1 19.67 FALSE FALSE
CYBOCS_pre_COMP 1.2 16.39 FALSE FALSE
CYBOCS_pre_sum 1.111 26.23 FALSE FALSE
CYBOCS_pre_insight 1.35 6.557 FALSE FALSE
CYBOCS_pre_avoid 1.312 6.557 FALSE FALSE
checking 1.905 3.279 FALSE FALSE
obsessions 1.103 3.279 FALSE FALSE
contamination 1.773 3.279 FALSE FALSE
symmetry 2.05 3.279 FALSE FALSE
CGI_S_pre 1.882 6.557 FALSE FALSE
CBT_OCD 3.357 3.279 FALSE FALSE
ChOCI_R_C_1_PRE 1.087 4.918 FALSE FALSE
ChOCI_R_C_2_PRE 1.3 4.918 FALSE FALSE
ChOCI_R_C_3_PRE 1.227 4.918 FALSE FALSE
ChOCI_R_C_4_PRE 1.045 4.918 FALSE FALSE
ChOCI_R_C_5_PRE 1.348 4.918 FALSE FALSE
ChOCI_R_C_6_PRE 1.043 4.918 FALSE FALSE
ChOCI_R_C_7_PRE 2.467 4.918 FALSE FALSE
ChOCI_R_C_8_PRE 2.267 4.918 FALSE FALSE
ChOCI_R_C_9_PRE 1.524 4.918 FALSE FALSE
ChOCI_R_C_10_PRE 1.125 4.918 FALSE FALSE
ChOCI_R_C_12_PRE 2.462 8.197 FALSE FALSE
ChOCI_R_C_13_PRE 1.357 8.197 FALSE FALSE
ChOCI_R_C_14_PRE 2.231 8.197 FALSE FALSE
ChOCI_R_C_15_PRE 1.294 8.197 FALSE FALSE
ChOCI_R_C_16_PRE 1.579 8.197 FALSE FALSE
ChOCI_R_C_17_PRE 1.188 8.197 FALSE FALSE
ChOCI_R_C_18_PRE 2.167 4.918 FALSE FALSE
ChOCI_R_C_19_PRE 1.348 4.918 FALSE FALSE
ChOCI_R_C_20_PRE 1.75 4.918 FALSE FALSE
ChOCI_R_C_21_PRE 1.048 4.918 FALSE FALSE
ChOCI_R_C_22_PRE 2.857 4.918 FALSE FALSE
ChOCI_R_C_23_PRE 2.389 3.279 FALSE FALSE
ChOCI_R_C_24_PRE 4.8 4.918 FALSE FALSE
ChOCI_R_C_25_PRE 1.611 4.918 FALSE FALSE
ChOCI_R_C_26_PRE 3.143 4.918 FALSE FALSE
ChOCI_R_C_27_PRE 3.286 4.918 FALSE FALSE
ChOCI_R_C_29_PRE 1.05 8.197 FALSE FALSE
ChOCI_R_C_30_PRE 1.125 8.197 FALSE FALSE
ChOCI_R_C_31_PRE 1.733 8.197 FALSE FALSE
ChOCI_R_C_32_PRE 1.105 8.197 FALSE FALSE
ChOCI_R_C_33_PRE 1.12 8.197 FALSE FALSE
ChOCI_R_C_34_PRE 1.111 8.197 FALSE FALSE
ChOCI_R_C_sumsym_PRE 1 36.07 FALSE FALSE
ChOCI_R_C_sumimp_PRE 1.333 40.98 FALSE FALSE
EWSASC_schoolandwork_PRE 1.333 14.75 FALSE FALSE
EWSASC_everydaysituations_PRE 1.273 14.75 FALSE FALSE
EWSASC_social_PRE 1.889 14.75 FALSE FALSE
EWSASC_leisuretime_PRE 1.7 14.75 FALSE FALSE
EWSASC_family_PRE 1.2 14.75 FALSE FALSE
EWSASC_sum_PRE 1.2 45.9 FALSE FALSE
SCAS_S_C_1_PRE 1.882 6.557 FALSE FALSE
SCAS_S_C_2_PRE 1 6.557 FALSE FALSE
SCAS_S_C_3_PRE 1.158 6.557 FALSE FALSE
SCAS_S_C_4_PRE 2.176 6.557 FALSE FALSE
SCAS_S_C_5_PRE 1.095 6.557 FALSE FALSE
SCAS_S_C_6_PRE 1.045 6.557 FALSE FALSE
SCAS_S_C_7_PRE 1.526 6.557 FALSE FALSE
SCAS_S_C_8_PRE 1.533 6.557 FALSE FALSE
SCAS_S_C_9_PRE 4 6.557 FALSE FALSE
SCAS_S_C_10_PRE 3.083 6.557 FALSE FALSE
SCAS_S_C_11_PRE 1.167 6.557 FALSE FALSE
SCAS_S_C_12_PRE 1.056 6.557 FALSE FALSE
SCAS_S_C_sum_PRE 1 36.07 FALSE FALSE
CDI_S_1_PRE 2.333 4.918 FALSE FALSE
CDI_S_2_PRE 1.591 4.918 FALSE FALSE
CDI_S_3_PRE 1.542 3.279 FALSE FALSE
CDI_S_4_PRE 2.812 3.279 FALSE FALSE
CDI_S_5_PRE 5 4.918 FALSE FALSE
CDI_S_6_PRE 1.579 4.918 FALSE FALSE
CDI_S_7_PRE 1.231 4.918 FALSE FALSE
CDI_S_8_PRE 1.591 4.918 FALSE FALSE
CDI_S_9_PRE 1.185 4.918 FALSE FALSE
CDI_S_10_PRE 6.5 4.918 FALSE FALSE
CDI_S_sum_PRE 1.3 21.31 FALSE FALSE
ChOCI_R_P_1_PRE 1.286 4.918 FALSE FALSE
ChOCI_R_P_2_PRE 1.611 4.918 FALSE FALSE
ChOCI_R_P_3_PRE 1.579 4.918 FALSE FALSE
ChOCI_R_P_4_PRE 1.765 4.918 FALSE FALSE
ChOCI_R_P_5_PRE 2.667 4.918 FALSE FALSE
ChOCI_R_P_6_PRE 1.05 4.918 FALSE FALSE
ChOCI_R_P_7_PRE 3 4.918 FALSE FALSE
ChOCI_R_P_8_PRE 3.231 4.918 FALSE FALSE
ChOCI_R_P_9_PRE 2.176 4.918 FALSE FALSE
ChOCI_R_P_10_PRE 1.4 4.918 FALSE FALSE
ChOCI_R_P_12_PRE 4 6.557 FALSE FALSE
ChOCI_R_P_13_PRE 1.769 8.197 FALSE FALSE
ChOCI_R_P_14_PRE 2.267 8.197 FALSE FALSE
ChOCI_R_P_15_PRE 1.625 8.197 FALSE FALSE
ChOCI_R_P_16_PRE 1.35 6.557 FALSE FALSE
ChOCI_R_P_17_PRE 1.235 6.557 FALSE FALSE
ChOCI_R_P_18_PRE 1.5 4.918 FALSE FALSE
ChOCI_R_P_19_PRE 2 4.918 FALSE FALSE
ChOCI_R_P_20_PRE 1.7 4.918 FALSE FALSE
ChOCI_R_P_21_PRE 1.875 4.918 FALSE FALSE
ChOCI_R_P_22_PRE 4.5 4.918 FALSE FALSE
ChOCI_R_P_23_PRE 5.778 3.279 FALSE FALSE
ChOCI_R_P_24_PRE 6.625 3.279 FALSE FALSE
ChOCI_R_P_25_PRE 1.036 4.918 FALSE FALSE
ChOCI_R_P_26_PRE 10.8 4.918 FALSE FALSE
ChOCI_R_P_27_PRE 6.5 4.918 FALSE FALSE
ChOCI_R_P_29_PRE 2.071 8.197 FALSE FALSE
ChOCI_R_P_30_PRE 1.267 8.197 FALSE FALSE
ChOCI_R_P_31_PRE 1.588 8.197 FALSE FALSE
ChOCI_R_P_32_PRE 1.733 8.197 FALSE FALSE
ChOCI_R_P_33_PRE 1.421 8.197 FALSE FALSE
ChOCI_R_P_34_PRE 1.643 6.557 FALSE FALSE
ChOCI_R_P_sumsym_PRE 1.333 34.43 FALSE FALSE
ChOCI_R_P_sumimp_PRE 1.25 49.18 FALSE FALSE
FAS_PR_1_PRE 1.562 8.197 FALSE FALSE
FAS_PR_2_PRE 3.1 8.197 FALSE FALSE
FAS_PR_3_PRE 1.176 8.197 FALSE FALSE
FAS_PR_4_PRE 1.286 8.197 FALSE FALSE
FAS_PR_5_PRE 2.176 8.197 FALSE FALSE
FAS_PR_6_PRE 1.643 8.197 FALSE FALSE
FAS_PR_7_PRE 1.625 8.197 FALSE FALSE
FAS_PR_8_PRE 4.625 8.197 FALSE FALSE
FAS_PR_9_PRE 5.857 8.197 FALSE FALSE
FAS_PR_10_PRE 1.235 8.197 FALSE FALSE
FAS_PR_11_PRE 2.364 8.197 FALSE FALSE
FAS_PR_12_PRE 1.625 8.197 FALSE FALSE
FAS_PR_sum_PRE 1.25 50.82 FALSE FALSE
EWSASP_schoolandwork_PRE 2 14.75 FALSE FALSE
EWSASP_everydaysituations_PRE 1.3 14.75 FALSE FALSE
EWSASP_social_PRE 1.077 14.75 FALSE FALSE
EWSASP_leisuretime_PRE 2.778 14.75 FALSE FALSE
EWSASP_family_PRE 1.1 14.75 FALSE FALSE
EWSASP_sum_PRE 2.25 40.98 FALSE FALSE
SCAS_S_P_1_PRE 1 6.557 FALSE FALSE
SCAS_S_P_2_PRE 1.167 6.557 FALSE FALSE
SCAS_S_P_3_PRE 1.353 6.557 FALSE FALSE
SCAS_S_P_4_PRE 3.727 6.557 FALSE FALSE
SCAS_S_P_5_PRE 1.238 6.557 FALSE FALSE
SCAS_S_P_6_PRE 1.2 6.557 FALSE FALSE
SCAS_S_P_7_PRE 3.167 6.557 FALSE FALSE
SCAS_S_P_8_PRE 1.176 6.557 FALSE FALSE
SCAS_S_P_9_PRE 2.867 4.918 FALSE FALSE
SCAS_S_P_10_PRE 3.5 6.557 FALSE FALSE
SCAS_S_P_11_PRE 1.688 6.557 FALSE FALSE
SCAS_S_P_12_PRE 1.263 6.557 FALSE FALSE
SCAS_S_P_sum_PRE 1 36.07 FALSE FALSE
responder_3m 1.435 3.279 FALSE FALSE
CYBOCS_3m 1.4 34.43 FALSE FALSE
rowname freqRatio percentUnique zeroVar nzv
Dystymia 29.5 3.279 FALSE TRUE
Agoraphobia 0 1.639 TRUE TRUE
SeparationAnx 0 1.639 TRUE TRUE
PTSD 60 3.279 FALSE TRUE
ODD 0 1.639 TRUE TRUE
EatingDis 0 1.639 TRUE TRUE

The variables with near zero variance are Dystymia, Agoraphobia, SeparationAnx, PTSD, ODD, EatingDis.

2.5 Check for highly correlated variables

Highly correlated (>.90) do not provide more information, better exclude them.

## [1] NA

No variables are highly correlated (>.90) in this dataset.

2.6 Missing values

2.7 Checking Scale quality

2.7.1 Correlation of comorbidity

If one suffers from one comorbidity, does he/she suffer (in general) from other comorbidities too? NZV variables are excluded.

We should do this more stringently, but let’s start with a brief look to the items of ChOCI, to see whether they are correlated (as they should be, at least for common subscale-items). Those are quite a few.

2.7.2 Cronbachs Alpha and interitem correlation

Some item were negatively correlated with the scale (ChOCI_R_C_26_PRE-). They should be checked.

## 
## Reliability analysis   
## Call: psych::alpha(x = ChOCI_items, check.keys = TRUE)
## 
##   raw_alpha std.alpha G6(smc) average_r S/N
##       0.86      0.91       1      0.14  11
## 
##  Reliability if an item is dropped:
##                      raw_alpha std.alpha G6(smc) average_r S/N
## ChOCI_R_C_1_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_2_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_3_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_4_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_5_PRE           0.86      0.92       1      0.14  11
## ChOCI_R_C_6_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_7_PRE           0.86      0.91       1      0.13  10
## ChOCI_R_C_8_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_9_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_C_10_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_C_12_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_C_13_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_C_14_PRE          0.86      0.91       1      0.14  10
## ChOCI_R_C_15_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_16_PRE          0.86      0.91       1      0.14  10
## ChOCI_R_C_17_PRE          0.86      0.91       1      0.14  10
## ChOCI_R_C_18_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_19_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_20_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_C_21_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_22_PRE          0.86      0.91       1      0.14  10
## ChOCI_R_C_23_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_24_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_25_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_26_PRE-         0.86      0.92       1      0.14  11
## ChOCI_R_C_27_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_29_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_30_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_31_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_32_PRE          0.86      0.92       1      0.14  11
## ChOCI_R_C_33_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_34_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_C_sumsym_PRE      0.86      0.91       1      0.13  10
## ChOCI_R_C_sumimp_PRE      0.85      0.91       1      0.13  10
## ChOCI_R_P_1_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_2_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_3_PRE           0.86      0.92       1      0.14  11
## ChOCI_R_P_4_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_5_PRE           0.86      0.92       1      0.14  11
## ChOCI_R_P_6_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_7_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_8_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_9_PRE           0.86      0.91       1      0.14  11
## ChOCI_R_P_10_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_12_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_P_13_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_P_14_PRE          0.86      0.91       1      0.14  10
## ChOCI_R_P_15_PRE          0.86      0.92       1      0.14  11
## ChOCI_R_P_16_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_17_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_P_18_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_19_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_20_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_21_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_22_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_23_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_24_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_25_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_26_PRE          0.86      0.92       1      0.14  11
## ChOCI_R_P_27_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_29_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_30_PRE          0.86      0.91       1      0.14  10
## ChOCI_R_P_31_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_32_PRE          0.86      0.92       1      0.14  11
## ChOCI_R_P_33_PRE          0.86      0.91       1      0.14  11
## ChOCI_R_P_34_PRE          0.86      0.91       1      0.13  10
## ChOCI_R_P_sumsym_PRE      0.85      0.91       1      0.13  10
## ChOCI_R_P_sumimp_PRE      0.87      0.91       1      0.13  10
## 
##  Item statistics 
##                           r  r.cor r.drop
## ChOCI_R_C_1_PRE       0.410  0.410  0.405
## ChOCI_R_C_2_PRE       0.278  0.278  0.240
## ChOCI_R_C_3_PRE       0.383  0.383  0.353
## ChOCI_R_C_4_PRE       0.385  0.385  0.354
## ChOCI_R_C_5_PRE       0.098  0.098  0.066
## ChOCI_R_C_6_PRE       0.322  0.322  0.296
## ChOCI_R_C_7_PRE       0.521  0.521  0.450
## ChOCI_R_C_8_PRE       0.246  0.246  0.188
## ChOCI_R_C_9_PRE       0.275  0.275  0.223
## ChOCI_R_C_10_PRE      0.612  0.612  0.602
## ChOCI_R_C_12_PRE      0.619  0.619  0.642
## ChOCI_R_C_13_PRE      0.659  0.659  0.667
## ChOCI_R_C_14_PRE      0.468  0.468  0.447
## ChOCI_R_C_15_PRE      0.317  0.317  0.296
## ChOCI_R_C_16_PRE      0.504  0.504  0.485
## ChOCI_R_C_17_PRE      0.477  0.477  0.493
## ChOCI_R_C_18_PRE      0.356  0.356  0.293
## ChOCI_R_C_19_PRE      0.351  0.351  0.293
## ChOCI_R_C_20_PRE      0.573  0.573  0.531
## ChOCI_R_C_21_PRE      0.369  0.369  0.357
## ChOCI_R_C_22_PRE      0.470  0.470  0.436
## ChOCI_R_C_23_PRE      0.279  0.279  0.241
## ChOCI_R_C_24_PRE      0.329  0.329  0.277
## ChOCI_R_C_25_PRE      0.361  0.361  0.302
## ChOCI_R_C_26_PRE-    -0.019 -0.019 -0.012
## ChOCI_R_C_27_PRE      0.410  0.410  0.383
## ChOCI_R_C_29_PRE      0.345  0.345  0.344
## ChOCI_R_C_30_PRE      0.465  0.465  0.474
## ChOCI_R_C_31_PRE      0.354  0.354  0.336
## ChOCI_R_C_32_PRE      0.133  0.133  0.095
## ChOCI_R_C_33_PRE      0.444  0.444  0.461
## ChOCI_R_C_34_PRE      0.390  0.390  0.401
## ChOCI_R_C_sumsym_PRE  0.749  0.749  0.598
## ChOCI_R_C_sumimp_PRE  0.768  0.768  0.720
## ChOCI_R_P_1_PRE       0.366  0.366  0.366
## ChOCI_R_P_2_PRE       0.379  0.379  0.344
## ChOCI_R_P_3_PRE       0.154  0.154  0.117
## ChOCI_R_P_4_PRE       0.373  0.373  0.350
## ChOCI_R_P_5_PRE       0.215  0.215  0.191
## ChOCI_R_P_6_PRE       0.336  0.336  0.332
## ChOCI_R_P_7_PRE       0.261  0.261  0.201
## ChOCI_R_P_8_PRE       0.245  0.245  0.216
## ChOCI_R_P_9_PRE       0.224  0.224  0.170
## ChOCI_R_P_10_PRE      0.452  0.452  0.432
## ChOCI_R_P_12_PRE      0.521  0.521  0.539
## ChOCI_R_P_13_PRE      0.525  0.525  0.557
## ChOCI_R_P_14_PRE      0.480  0.480  0.499
## ChOCI_R_P_15_PRE      0.199  0.199  0.183
## ChOCI_R_P_16_PRE      0.449  0.449  0.463
## ChOCI_R_P_17_PRE      0.552  0.552  0.577
## ChOCI_R_P_18_PRE      0.363  0.363  0.294
## ChOCI_R_P_19_PRE      0.391  0.391  0.364
## ChOCI_R_P_20_PRE      0.377  0.377  0.316
## ChOCI_R_P_21_PRE      0.264  0.264  0.253
## ChOCI_R_P_22_PRE      0.289  0.289  0.228
## ChOCI_R_P_23_PRE      0.389  0.389  0.357
## ChOCI_R_P_24_PRE      0.381  0.381  0.321
## ChOCI_R_P_25_PRE      0.308  0.308  0.243
## ChOCI_R_P_26_PRE      0.162  0.162  0.106
## ChOCI_R_P_27_PRE      0.289  0.289  0.237
## ChOCI_R_P_29_PRE      0.396  0.396  0.414
## ChOCI_R_P_30_PRE      0.471  0.471  0.508
## ChOCI_R_P_31_PRE      0.421  0.421  0.446
## ChOCI_R_P_32_PRE      0.181  0.181  0.189
## ChOCI_R_P_33_PRE      0.232  0.232  0.250
## ChOCI_R_P_34_PRE      0.540  0.540  0.575
## ChOCI_R_P_sumsym_PRE  0.752  0.752  0.621
## ChOCI_R_P_sumimp_PRE  0.624  0.624  0.554

3 Bivariate assocations

3.1 Associations with treatment response

3.1.1 Comorbidity as predictors

The (non-nzv) comorbities are: Depression, PanicDisorder, SocialPhob, SpecificPhob, TourettesTics, ADHD, GAD. The Odds ratios of the comorbities with the outcome variable are: 0.68, 0.43, 1.05, 0.23, 2.2, 3.93, 0.67.

The relative risks of the comorbities with the outcome variable are: 0.84, 0.66, 1.02, 0.45, 1.3, 1.49, 0.83.

Let’s plot the assocation of the comorbitity with the outcome var responder_3m. To that end, let’s tabulate the the 2x2 matrices (contingency matrices) for each comorbidity (yes/no) vs. responder (yes/no). For convenience, proportions (%) are depicted.

## [1] "Depression"
##    
##        0    1
##   0 0.55 0.38
##   1 0.04 0.04

## [1] "PanicDisorder"
##    
##        0    1
##   0 0.55 0.36
##   1 0.04 0.05

## [1] "SocialPhob"
##    
##        0    1
##   0 0.54 0.38
##   1 0.05 0.04

## [1] "SpecificPhob"
##    
##        0    1
##   0 0.55 0.32
##   1 0.04 0.09

## [1] "TourettesTics"
##    
##        0    1
##   0 0.54 0.39
##   1 0.05 0.02

## [1] "ADHD"
##    
##        0    1
##   0 0.50 0.39
##   1 0.09 0.02

## [1] "GAD"
##    
##        0    1
##   0 0.54 0.36
##   1 0.05 0.05

## [1] "responder_3m"
##    
##        0    1
##   0 0.59 0.00
##   1 0.00 0.41

Wait a minute, it looks as if there a few persons where responder_3m == 1! Does that mean, most participants did not respond (ie., no success)?

Hm, let’s divide that up for each comorbidity, and plot it:

Hoaza! That looks strange! Can that be? Surely there must be some bug, either in my code, what may well be the case (Deus adiuvet me), or in the data.

Let’s look at it from some other perspective, different code, and plot it again, and see what happens:

And what it about if we eyeball the plain number:

key responder_3m n
ADHD 0 33
ADHD 1 23
ADHD NA 5
Agoraphobia 0 33
Agoraphobia 1 23
Agoraphobia NA 5
Depression 0 33
Depression 1 23
Depression NA 5
Dystymia 0 33
Dystymia 1 23
Dystymia NA 5
EatingDis 0 33
EatingDis 1 23
EatingDis NA 5
GAD 0 33
GAD 1 23
GAD NA 5
ODD 0 33
ODD 1 23
ODD NA 5
PanicDisorder 0 33
PanicDisorder 1 23
PanicDisorder NA 5
PTSD 0 33
PTSD 1 23
PTSD NA 5
SeparationAnx 0 33
SeparationAnx 1 23
SeparationAnx NA 5
SocialPhob 0 33
SocialPhob 1 23
SocialPhob NA 5
SpecificPhob 0 33
SpecificPhob 1 23
SpecificPhob NA 5
TourettesTics 0 33
TourettesTics 1 23
TourettesTics NA 5

Hm, the same picture emerges: With comorbidity always 23 cases, without comorbidity also 33 cases. Somewhere there must be a bug…

4 Most important variables (narrow data set)

4.1 Type of most important variables

Let’s focus on the most important variables, to make life easier.

That should be all sum scores. Let’s look for them:

Ok, the variables are CYBOCS_pre_sum, ChOCI_R_C_sumsym_PRE, ChOCI_R_C_sumimp_PRE, EWSASC_sum_PRE, SCAS_S_C_sum_PRE, CDI_S_sum_PRE, ChOCI_R_P_sumsym_PRE, ChOCI_R_P_sumimp_PRE, FAS_PR_sum_PRE, EWSASP_sum_PRE, SCAS_S_P_sum_PRE. In total, 11 variables.

We can probably safely ignore ID. We should include basic and demographic variables:

Which gives us group, sex, age, Birthcountry, Education_parent, OCDonset, yearswithOCD, contact, distance, medication, medication_yesno, treatm_exp, OCD_treatm_exp, responder_3m, CYBOCS_3m, another 15 variables.

Of particular interest are of course responder_3m, CYBOCS_3m (outcomes) and group (experimental factor).

Next, let’s name the comorbidities.

These are Depression, Dystymia, PanicDisorder, Agoraphobia, SeparationAnx, SocialPhob, SpecificPhob, PTSD, TourettesTics, ADHD, ODD, EatingDis, GAD.

In total, 3 sets of variables then: basic variables (including outcome and experimental variables), sum scores of psychometric battery, and comorbidity.

In total, 39 Variables: group, sex, age, Birthcountry, Education_parent, OCDonset, yearswithOCD, contact, distance, medication, medication_yesno, treatm_exp, OCD_treatm_exp, responder_3m, CYBOCS_3m, CYBOCS_pre_sum, ChOCI_R_C_sumsym_PRE, ChOCI_R_C_sumimp_PRE, EWSASC_sum_PRE, SCAS_S_C_sum_PRE, CDI_S_sum_PRE, ChOCI_R_P_sumsym_PRE, ChOCI_R_P_sumimp_PRE, FAS_PR_sum_PRE, EWSASP_sum_PRE, SCAS_S_P_sum_PRE, Depression, Dystymia, PanicDisorder, Agoraphobia, SeparationAnx, SocialPhob, SpecificPhob, PTSD, TourettesTics, ADHD, ODD, EatingDis, GAD.

4.2 Coarse model

Vague defined, the model can be described as consisting of these predictors: demographics, psychometric scales, treatment (group), comorbities. The outcome is treatment response.

4.3 Missing values and sum scores

When tallying up sum scores, missing values cause problems. Assume 10 items to summed up. What if I have not responded to 9 items? If you count “zero” for the missing values, you will dramatically underestimate my true score. I wonder how the sum scores have been built here.

4.3.1 ChOCI scale (self-rated comorbidity)

The most items appear in the ChOCI scale. So let’s look there first.

item n_na
ChOCI_R_C_1_PRE 0
ChOCI_R_C_2_PRE 0
ChOCI_R_C_3_PRE 0
ChOCI_R_C_4_PRE 0
ChOCI_R_C_5_PRE 0
ChOCI_R_C_6_PRE 0
ChOCI_R_C_7_PRE 0
ChOCI_R_C_8_PRE 0
ChOCI_R_C_9_PRE 0
ChOCI_R_C_10_PRE 0
ChOCI_R_C_12_PRE 0
ChOCI_R_C_13_PRE 0
ChOCI_R_C_14_PRE 0
ChOCI_R_C_15_PRE 0
ChOCI_R_C_16_PRE 0
ChOCI_R_C_17_PRE 0
ChOCI_R_C_18_PRE 0
ChOCI_R_C_19_PRE 0
ChOCI_R_C_20_PRE 0
ChOCI_R_C_21_PRE 0
ChOCI_R_C_22_PRE 0
ChOCI_R_C_23_PRE 0
ChOCI_R_C_24_PRE 0
ChOCI_R_C_25_PRE 0
ChOCI_R_C_26_PRE 0
ChOCI_R_C_27_PRE 0
ChOCI_R_C_29_PRE 0
ChOCI_R_C_30_PRE 0
ChOCI_R_C_31_PRE 0
ChOCI_R_C_32_PRE 0
ChOCI_R_C_33_PRE 0
ChOCI_R_C_34_PRE 0
ChOCI_R_C_sumsym_PRE 0
ChOCI_R_C_sumimp_PRE 0
ChOCI_R_P_1_PRE 0
ChOCI_R_P_2_PRE 0
ChOCI_R_P_3_PRE 0
ChOCI_R_P_4_PRE 0
ChOCI_R_P_5_PRE 0
ChOCI_R_P_6_PRE 0
ChOCI_R_P_7_PRE 0
ChOCI_R_P_8_PRE 0
ChOCI_R_P_9_PRE 0
ChOCI_R_P_10_PRE 0
ChOCI_R_P_12_PRE 0
ChOCI_R_P_13_PRE 0
ChOCI_R_P_14_PRE 0
ChOCI_R_P_15_PRE 0
ChOCI_R_P_16_PRE 0
ChOCI_R_P_17_PRE 0
ChOCI_R_P_18_PRE 0
ChOCI_R_P_19_PRE 0
ChOCI_R_P_20_PRE 0
ChOCI_R_P_21_PRE 0
ChOCI_R_P_22_PRE 0
ChOCI_R_P_23_PRE 0
ChOCI_R_P_24_PRE 0
ChOCI_R_P_25_PRE 0
ChOCI_R_P_26_PRE 0
ChOCI_R_P_27_PRE 0
ChOCI_R_P_29_PRE 0
ChOCI_R_P_30_PRE 0
ChOCI_R_P_31_PRE 0
ChOCI_R_P_32_PRE 0
ChOCI_R_P_33_PRE 0
ChOCI_R_P_34_PRE 0
ChOCI_R_P_sumsym_PRE 0
ChOCI_R_P_sumimp_PRE 0

Ok, good, no missings. Have they been replaced somehow? Where the participants forced to give some answer? This might be of interest for gauging the psychometric quality of the scale.

4.3.2 CYBOCS OCD symptoms

item n_na
CYBOCS_pre_OBS 0
CYBOCS_pre_COMP 0
CYBOCS_pre_sum 0
CYBOCS_pre_insight 2
CYBOCS_pre_avoid 6
CYBOCS_3m 5

Hm, here we find some missing values. So what was done to prevent bias here? We should follow up on that.

4.3.3 EWSASC (functioning)

Same procedure…

item n_na
EWSASC_schoolandwork_PRE 0
EWSASC_everydaysituations_PRE 0
EWSASC_social_PRE 0
EWSASC_leisuretime_PRE 0
EWSASC_family_PRE 0
EWSASC_sum_PRE 0

Ok, no NA’s.

4.3.4 SCAS (Anxiety)

item n_na
SCAS_S_C_1_PRE 0
SCAS_S_C_2_PRE 0
SCAS_S_C_3_PRE 0
SCAS_S_C_4_PRE 0
SCAS_S_C_5_PRE 0
SCAS_S_C_6_PRE 0
SCAS_S_C_7_PRE 0
SCAS_S_C_8_PRE 0
SCAS_S_C_9_PRE 0
SCAS_S_C_10_PRE 0
SCAS_S_C_11_PRE 0
SCAS_S_C_12_PRE 0
SCAS_S_C_sum_PRE 0
SCAS_S_P_1_PRE 0
SCAS_S_P_2_PRE 0
SCAS_S_P_3_PRE 0
SCAS_S_P_4_PRE 0
SCAS_S_P_5_PRE 0
SCAS_S_P_6_PRE 0
SCAS_S_P_7_PRE 0
SCAS_S_P_8_PRE 0
SCAS_S_P_9_PRE 0
SCAS_S_P_10_PRE 0
SCAS_S_P_11_PRE 0
SCAS_S_P_12_PRE 0
SCAS_S_P_sum_PRE 0

No NA’s.

4.3.5 CDI (Depression)

item n_na
PanicDisorder 0
CDI_S_1_PRE 0
CDI_S_2_PRE 0
CDI_S_3_PRE 0
CDI_S_4_PRE 0
CDI_S_5_PRE 0
CDI_S_6_PRE 0
CDI_S_7_PRE 0
CDI_S_8_PRE 0
CDI_S_9_PRE 0
CDI_S_10_PRE 0
CDI_S_sum_PRE 0

No NA’s.

4.3.6 FAS (family accomodation)

item n_na
FAS_PR_1_PRE 0
FAS_PR_2_PRE 0
FAS_PR_3_PRE 0
FAS_PR_4_PRE 0
FAS_PR_5_PRE 0
FAS_PR_6_PRE 0
FAS_PR_7_PRE 0
FAS_PR_8_PRE 0
FAS_PR_9_PRE 0
FAS_PR_10_PRE 0
FAS_PR_11_PRE 0
FAS_PR_12_PRE 0
FAS_PR_sum_PRE 0

No NA’s.

4.3.7 EWSASP (functioning, 2nd scale)

item n_na
EWSASP_schoolandwork_PRE 0
EWSASP_everydaysituations_PRE 0
EWSASP_social_PRE 0
EWSASP_leisuretime_PRE 0
EWSASP_family_PRE 0
EWSASP_sum_PRE 0

No NA’s.

4.3.8 SCAS (Anxiety)

item n_na
SCAS_S_C_1_PRE 0
SCAS_S_C_2_PRE 0
SCAS_S_C_3_PRE 0
SCAS_S_C_4_PRE 0
SCAS_S_C_5_PRE 0
SCAS_S_C_6_PRE 0
SCAS_S_C_7_PRE 0
SCAS_S_C_8_PRE 0
SCAS_S_C_9_PRE 0
SCAS_S_C_10_PRE 0
SCAS_S_C_11_PRE 0
SCAS_S_C_12_PRE 0
SCAS_S_C_sum_PRE 0
SCAS_S_P_1_PRE 0
SCAS_S_P_2_PRE 0
SCAS_S_P_3_PRE 0
SCAS_S_P_4_PRE 0
SCAS_S_P_5_PRE 0
SCAS_S_P_6_PRE 0
SCAS_S_P_7_PRE 0
SCAS_S_P_8_PRE 0
SCAS_S_P_9_PRE 0
SCAS_S_P_10_PRE 0
SCAS_S_P_11_PRE 0
SCAS_S_P_12_PRE 0
SCAS_S_P_sum_PRE 0

No NA’s.

5 Interocular Trauma Test

5.1 Outcome: responder_3m

Before applying some sophisticated (aka esoteric) models, let’s perform the intraocular trauma test for the data: let’s see whether the effect is so crisp that it hits us right between the eyes. That is., is there an association between group and response?

Because for the fun of it (and because the question if of particular interest), let’s plot from different point of views.

Hm, it appears as if the experimental group was less successful than the control group. That result might hit us between the eyes… But one would certainly hope for something the other way round.

The bare numbers:

group responder_3m n
ICBT 0 21
ICBT 1 10
ICBT NA 2
waitlist 0 12
waitlist 1 13
waitlist NA 3

5.2 Outcome: CYBOCS_3m

For this outcome, it seems as if there was some (slight?) advantage for the treatment group. However, the overlap is substantial.

Here come the bare figures:

group group_mean group_md group_sd group_IQR
ICBT 14.22581 14 5.903161 7
waitlist 12.56000 12 6.807349 9